Delete characters on heads of lines.

del0.c

#include <stdio.h>

int
main( )
{
	int c;
	int newl = 0;
	while((c = getchar( )) != EOF) {
		if (c == '\r' || c == '\n') {
			newl = 1;
			putchar(c);
		}
		else {
			if (newl) {
				newl = 0;
			}
			else {
				putchar(c);
			}
		}
	}
	return 0;
}